David and his family love Mexican cuisine. When a new Mexican restaurant opens in town, they decide to visit
with David's grandparents on opening night. In front of the restaurant is a neon sign with blinking lights that
seem to show a woman dancing. Though the restaurant is crowded, David's family immediately notices a booth
open near the kitchen and takes a seat.
David's 65-year-old grandfather forgot his reading glasses at home and has trouble seeing the menu. David's
mother orders a diet soda and his father orders a regular soda. When their orders arrive, David's mother thinks
the waiter mixed up the drink orders, but his dad cannot taste the difference between the sodas. David's mother
looks for their waiter to fix the error and mistakenly summons a patron returning from the restroom. Even
though the restaurant is crowded and noisy, David's family holds a clear conversation throughout their meal.
On their way out of the restaurant, David's family discovers that they had failed to notice their neighbors sitting
at a table near the entrance. The two families say hello and discuss the restaurant's delicious food. They
discover that David's family thought the food was much spicier than their neighbors did.
Explain how each of the following concepts applies to David's family's experience at the restaurant.

The concepts refer to how David's family perceives and process things. They are related to the five senses and the processing that the brain does according to the stimulus.

All members of the family experienced the difference in the threshold, selective attention, intentional blindness, and the phi phenomenon. While presbyopia, top-down processing, and the connection between the chemical senses of smell and taste were only present in one specific person.

Presbyopia: applies to Davi's grandfather. It is the progressive loss of sight due to aging.

Difference threshold: Davi's family perceived the food much spacier than his neighbors. It is the tolerance that a person or a group has towards something.

Top-down processing: David's mother mistakenly summons a patron returning from the restroom. It is the use of information that we already know to process the stimuli in our context.

Selective attention: David's family holds a clear conversation even though the restaurant is crowded and noisy. It is the focusing of our attention on one particular thing present in an environment full of stimulus.

The connection between the chemical senses of smell and taste: David's dad cannot taste the difference between the sodas. The body smells and tastes through the same chemical receptors, David's father's chemical receptors may not detect the chemicals that make the difference in both drinks.

Intentional blindness: Davi's family failed to notice their neighbors sitting at a table near the entrance. It is when a person does not notice something due to paying attention to a different thing, like looking for a table in a crowded restaurant.

Phi phenomenon: the neon sign with blinking lights that seem to show a woman dancing. It is an optical illusion where an image seems to move due to the lights and their placement.

In conclusion, David's family experienced all the necessary actions to enjoy their meal and interact with their environment according to their perception, intentions, and abilities.

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